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Frequently Asked IES EC Numerical Ability - Algebra Questions with Answers

(#M40106475) IES EC QUESTION series Keep an EYE

Below given are two formulae for long summation.
1) 1 + 2 + 3 + 4 + ................ + n = n(n+1)/2
2) 1^2 + 2^2 + 3^2 + 4^2 + ........ + n^2 = 1/6 n(n+1)(2n+1)
The value of
(1% of 2 + 2% of 3 + 3% of 4 + ........ + 99% of 100) will be

Asked In IES EC A M ANKIT KALLURAYA (9 years ago)

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